激光定向能量沉积17-4PH不锈钢钝化与点蚀行为研究
谷清宇, 宋雁飞, 张亮亮, 王楠, 雷晓维

Passivation and Pitting Corrosion Behavior of Laser Directed Energy Deposited 17-4PH Stainless Steel
GU Qingyu, SONG Yanfei, ZHANG Liangliang, WANG Nan, LEI Xiaowei
表4 Mott-Schottky曲线拟合得到的钝化膜施主密度与平带电位
Table 4 Donor density and flat-band potential of passive film obtained via fitting of Mott-Schottky curve
SampleND / cm-3EFB / V (vs. Ag/AgCl)
1#2.09 × 1021-0.45
2#4.53 × 1021-0.44
3#4.15 × 1021-0.51
Extruded4.95 × 1021-0.56